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<h1>Version 4.2.0</h1>
<h2>About WSO2 Complex Event Processor </h2>
<p>WSO2 CEP is a lightweight and easy-to-use Open Source Complex Event Processor
(CEP) available under the Apache Software License v2.0.</p>


<p>WSO2 CEP 4.2.0 is developed on top of the revolutionary
    <a href="http://wso2.org/projects/carbon">Carbon platform</a>
and is based on the OSGi framework to achieve the
better modularity for your SOA architecture. This also contains a lots of new
features and many other optional components to customize the behavior of the
server. Further, if you do not want any of the built in features, you can
uninstall those features without any trouble. In other words, this ES can be
customized to your SOA needs.</p>
<h2>About WSO2 Carbon </h2>
<p>WSO2 Carbon is a component based Enterprise SOA platform. The
design of
WSO2 Carbon focuses on separating the key functionality of the SOA
platform
into separate pluggable Carbon components that can be mixed and
matched, like
customizable building blocks. This allows you to add only the
functionality
you need to start up, and continue to add product capabilities
as your
requirements grow. This helps a business to quickly adapt to
changes.</p>
<p>OSGi is used as the underlying core modularization technology
to build the
Carbon platform. The Carbon framework is shipped with Eclipse Equinox
by
default, but can be supported on Spring dm Server, Felix or Knoplerfish
if
required. The OSGi technology even allows you to write your business
functionality as an OSGi component and deploy it in the existing Carbon
platform. </p>
<p> For a quick start on using the WSO2 Carbon
platform, the Carbon components are pre-assembled into the following
products: </p>
<ul id="CarbonProducts">
<li><a href="http://wso2.org/projects/registry">WSO2 Governance Registry </a></li>
<li><a href="http://wso2.org/projects/wsas/java">WSO2 Web Services Application Server </a></li>
<li><a href="http://wso2.org/projects/esb/java">WSO2 Enterprise Service Bus</a></li>
<li><a href="http://wso2.org/projects/bps">WSO2 Business Process Server</a></li>
<li><a href="http://wso2.com/products/business-rules-server/">WSO2 Business Rules Server</a></li>
<li><a href="http://wso2.org/projects/identity">WSO2 Identity Server</a></li>
<li><a href="http://wso2.com/products/data-services-server/">WSO2 Data Services Server </a></li>
<li><a href="http://wso2.com/products/business-activity-monitor/">WSO2 Business Activity Monitor  </a></li>
<li><a href="http://wso2.com/products/gadget-server/">WSO2 Gadget Server  </a></li>
<li><a href="http://wso2.com/products/mashup-server/">WSO2 Mashup Server  </a></li>
</ul>
<p>You can assemble your own products by combining
components and
deploying them in a preferred architecture. </p>
<p>The WSO2 Carbon platform gives maximum flexibility to adapt
the middleware
to your enterprise architecture, rather than adapt your architecture to
the
middleware. </p>

<h2>About WSO2</h2>
<p>WSO2 is a Open Source technology company building Open Source
middleware
platforms for Web services and SOA. WSO2 delivers integrated middleware
stacks based on components developed at Apache, offering industry
leading
performance and convenience for customers. </p>
<p>Founded in August 2005 by pioneers in Web services and Open
Source, WSO2
engineers contribute heavily to many key Apache Web services projects. </p>

<h3>Have you tried...</h3>
<p><a href="http://wso2.org/projects/registry"><img src="../admin/images/registry_logo_h23.gif" alt="Registry"/></a></p>
<p><a href="http://wso2.org/projects/wsas/java"><img src="../admin/images/wsas_logo_h23.gif" alt="WSAS"/></a></p>
<p><a href="http://wso2.org/projects/esb/java"><img src="../admin/images/esb_logo_h23.gif" alt="ESB"/></a></p>
<p><a href="http://wso2.org/projects/bps"><img src="../admin/images/bps_logo_h23.gif" alt="BPS"/></a></p>
<p><a href="http://wso2.com/products/business-rules-server/"><img src="../admin/images/brs_logo_h23.gif" alt="BRS"/></a></p>
<p><a href="http://wso2.org/projects/identity"><img src="../admin/images/identity_logo_h23.gif" alt="Identity"/></a></p>
<p><a href="http://wso2.com/products/data-services-server/"><img src="../admin/images/ds_logo_h23.gif" alt="DSS"/></a></p>
<p><a href="http://wso2.com/products/business-activity-monitor/"><img src="../admin/images/bam_logo_h23.gif" alt="BAM"/></a></p>
<p><a href="http://wso2.com/products/gadget-server/"><img src="../admin/images/gadgetserver_logo_h23.gif" alt="GS"/></a></p>
<p><a href="http://wso2.com/products/mashup-server/"><img src="../admin/images/mashup_logo_h23.gif" alt="MS"/></a></p>
<h3>Stay connected </h3>
<p><a href="http://wso2.org/user/login?destination=newsletter/subscriptions">Subscribe</a>
to the WSO2 newsletter - project updates, events, articles, SOA news
and much
more.</p>
<!--h3>Need more help?</h3>
<ul>
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